And sorry incomplete answer, yes it is a nested repeater environment.
The structure is:
repeater btg_daily_booth_schedule_test
date_picker btg_show_date
select btg_am_pm
date_time_picker btg_timeslot_start_time
date_time_picker btg_timeslot_end_time
text btg_additional_information
user btg_booth_team_2
repeater teams_test
user user_test
Thanks,
Sandra